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DETERMINATION OF RA-226, TH-232, K-40 AND CS-137 ACTIVITIES IN SOILS AND BEACH SANDS AND RELATED EXTERNAL GAMMA DOSES IN ARIKLI MINERALIZATION AREA (AYVACIK/TURKEY)
Radiation Protection Dosimetry ( IF 1 ) Pub Date : 2021-02-22 , DOI: 10.1093/rpd/ncab035
Gülcan Top 1, 2 , Yüksel Örgün 3 , Ismail Ercüment Ayazlı 4 , Murat Belivermiş 5 , Zekiye Karacık 3 , Györgyi Kampfl 2
Affiliation  

Uranium mineralization areas may jeopardize public health and surrounding natural life. In the current study for radioactivity and geochemical analyses, 43 soil, 5 rock and 10 beach sand samples were collected in and around Arıklı (Ayvacık, Turkey) uranium mineralization area. Radioactivity levels in the soils (up to Ra-226: 629, Th-232: 240, K-40: 3669 Bq/kg) were found higher than the that of beach sands. Besides, radioactivity of the beach sand samples is found at normal levels (avg: Ra-226: 31, Th-232: 31, K-40: 542 Bq/kg) when compared to worldwide average soil. Dose values indicate that the region have ~three times higher average gamma radioactivity than the corresponding world average although measured gamma doses ranged up to 687 nGy/h. The high measured values are related to uranium mineralization, alteration zones, faults and Arıklı tuff.

中文翻译:

测定 ARIKLI 矿化区土壤和沙滩中的 RA-226、TH-232、K-40 和 CS-137 活动以及相关的外部伽马剂量(艾维克/土耳其)

铀矿化区可能危害公众健康和周围的自然生命。在目前的放射性和地球化学分析研究中,在 Arıklı(土耳其艾瓦克)铀矿化区及其周边地区收集了 43 个土壤、5 个岩石和 10 个海滩沙子样本。发现土壤中的放射性水平(高达 Ra-226:629、Th-232:240、K-40:3669 Bq/kg)高于沙滩。此外,与全球平均土壤相比,海滩沙样品的放射性处于正常水平(平均:Ra-226:31,Th-232:31,K-40:542 Bq/kg)。剂量值表明,该地区的平均伽马放射性比相应的世界平均水平高约三倍,尽管测量的伽马剂量范围高达 687 nGy/h。高测量值与铀矿化、蚀变带、断层和 Arıklı 凝灰岩有关。
更新日期:2021-02-22
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